The history of the Jews in South Africa began during the period of Portuguese exploration in the early modern era, though a permanent presence was not established until the beginning of Dutch colonisation in the region. During the period of British colonial rule in the 19th century, the Jewish South African community expanded greatly, in part thanks to encouragement from Britain. From 1880 to 1914, the Jewish population in South Africa grew from 4,000 to over 40,000. South African Jews have played an important role in promoting diplomatic and military relations between Israel and South Africa. South Africa's Jewish community has reportedly declined from a possible peak of 120,000 to now between 52,000 and 88,000. Many South African Jews have emigrated to countries in the English-speaking world, such as the United States, Canada, the United Kingdom and Australia, as well as some emigrating to Israel. The first Jews involved in the history of South Africa were explorers, cartographers and astronomers who were employed by the Portuguese Crown. These men were employed in attempts by Portugal to discover a sea route to the Indian subcontinent. Jewish cartographers in Portugal, many of whom were member of the Portuguese upper class, assisted explorers Bartolomeu Dias and Vasco da Gama who sailed around the Cape of Good Hope to India in 1488 and 1497, respectively. In 1652, the Dutch East India Company (VOC) established a colonial settlement at the Cape of Good Hope under the direction of Jan van Riebeeck. Among the settlers in the colony were a number of non-practising Jews who lived in Cape Town. The first records of Jews living in the colony were a baptism record of two Jewish settlers living in the Western Cape on Christmas Day, 1669. Despite this, Jewish immigration to the colony remained small in number due to the VOC requiring all its employees and settlers to be Protestant. In 1803, the Dutch colonial authorities granted religious freedom to all inhabitants and prospective migrants; when the British invaded and occupied the colony in 1805, they issued a confirmation of this policy the next year.